Dermatologist prescribes metformin for woman’s skin rash
DEAR DR. ROACH: I have a skin rash (granuloma annulare), and my dermatologist said that there really isn’t a cure for it. It’s in various areas of my body — my upper back, my trunk (mostly in areas where garments hit), and a few other places. The dermatologist recommended using metformin to see if this helps. All my labs are excellent, so metformin has never been something that any of my docs suggested. She even looked at my labs and said that they were great but wants to see if metformin might help. Have you ever heard of this? Should I find a different dermatologist? I’m a ...